2019 MERCEDES-BENZ CLA service

Index.......................................................4
Digital Operator's Manual..................23
Introduction ...........................................23
Operation ............................................... 23
Introduction.........................................24
Protecting the environment ...................24
Genuine Mercedes-Benz parts ...............24
Operator's Manual ................................. 25
Service and vehicle operation ................25
Operating safety .................................... 27
QR code for rescue card ........................ 29
Data storage .......................................... 29
Information on copyright ....................... 31
At a glance...........................................32
Cockpit .................................................. 32
Instrument cluster ................................. 33
Multifunction steering wheel ................. 34
Center console ...................................... 35
Door control panel ................................. 38
Overhead control panel .........................39
Safety...................................................40
Panic alarm ............................................ 40
Occupant safety .................................... 40
Children in the vehicle ........................... 54
Pets in the vehicle ................................. 60
Driving safety systems ........................... 61
Protection against theft .........................68
Opening and closing...........................70
SmartKey ............................................... 70
Doors ..................................................... 76
Trunk ..................................................... 78
Side windows ......................................... 82
Panorama roof with power tilt/sliding
panel ...................................................... 86
Seats, steering wheel and mirrors....91
Correct driver's seat position ................91
Seats ..................................................... 91
Steering wheel ....................................... 96
Mirrors ................................................... 97
Memory function ................................. 100
Lights and windshield wipers..........101
Exterior lighting ................................... 101
Interior lighting .................................... 104
Replacing bulbs ................................... 105
Windshield wipers ................................ 108
Climate control.................................111
Overview of climate control systems ... 111
Operating the climate control sys-
tems .................................................... 116
Air vents .............................................. 121
Driving and parking..........................122
Notes on breaking-in a new vehicle ..... 122
Driving ................................................. 122
DYNAMIC SELECT button (all vehicles
except Mercedes-AMG vehicles) ......... 129
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) .................... 130
Automatic transmission ....................... 131
Refueling ............................................. 139
Parking ................................................ 142
Driving tips .......................................... 145
Driving systems ................................... 150
On-board computer and displays....178
Important safety notes ........................ 178
Displays and operation ........................ 178
Menus and submenus ......................... 181
Display messages ................................ 193
Warning and indicator lamps in the
instrument cluster ............................... 220
Multimedia system...........................231
General notes ...................................... 231
Important safety notes ........................ 231
Function restrictions ............................ 231
Operating system ................................ 232
Stowage and features......................239
Loading guidelines ............................... 239
Stowage areas ..................................... 239
2Contents

Features .............................................. 244
Maintenance and care......................260
Engine compartment ........................... 260
ASSYST PLUS ...................................... 264
Care ..................................................... 265
Breakdown assistance.....................273
Where will I find...? .............................. 273
Flat tire ................................................ 274
Battery (vehicle) .................................. 279
Jump-starting ....................................... 282
Towing and tow-starting ...................... 284
Fuses ................................................... 287
Wheels and tires...............................290
Important safety notes ........................ 290
Operation ............................................ 290
Winter operation .................................. 292
Tire pressure ....................................... 293
Loading the vehicle .............................. 301
All about wheels and tires ................... 304
Changing a wheel ................................ 310
Wheel and tire combinations ............... 315
Emergency spare wheel ....................... 315
Technical data...................................317
Information regarding technical data ... 317
Vehicle electronics .............................. 317
Identification plates ............................. 318
Service products and filling capaci-
ties ...................................................... 319
Vehicle data ......................................... 325
Contents3

Alarm system
see ATA (Anti-Theft Alarm system)
AMG
Adaptive sport suspension sys-
tem ................................................ 161
Performance Seat ............................ 95
AMG adaptive sport suspension
system
General Information .......................161
AMG menu (on-board computer)..... 190
AMG Performance exhaust sys-
tem..................................................... 128
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-skid chains
see Snow chains
Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Ashtray............................................... 246
Assistance display (on-board com-
puter)..................................................187
Assistance menu (on-board com-
puter)..................................................186
ASSYST PLUS
Displaying a service message ........264
Driving abroad ............................... 265
Hiding a service message .............. 264
Information about Service ............. 265
Resetting the service interval dis-
play ................................................ 265
Service message ............................ 264
Special service requirements ......... 265
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 68
Function ...........................................68
Switching off the alarm .................... 68
ATTENTION ASSIST
Activating/deactivating ................. 187
Display message ............................ 209
Function/notes............................. 173
Audio menu (on-board computer).... 184
Audio system
see Digital Operator's Manual
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 206
see Lights
Automatic car wash (care)............... 265
Automatic engine start (ECO start/
stop function).................................... 127
Automatic engine switch-off (ECO
start/stop function).......................... 127
Automatic headlamp mode.............. 101
Automatic transmission
Accelerator pedal position ............. 134
Changing gear ............................... 134
DIRECT SELECT lever ..................... 131
Drive program ................................ 135
Drive program display .................... 131
Driving tips .................................... 134
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles) ............................................... 129
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) .............. 130
Emergency running mode.............. 139
Engaging drive position .................. 133
Engaging neutral ............................ 132
Engaging park position
(Mercedes-AMG vehicles) .............. 133
Engaging park position automati-
cally ............................................... 132
Engaging reverse gear ................... 132
Engaging the park position ............ 132
Holding the vehicle stationary on
uphill gradients .............................. 135
Kickdown ....................................... 135
Manual shifting .............................. 137
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 190
Overview ........................................ 131
Problem (malfunction) ................... 139
Pulling away ................................... 126
Selector lever ................................ 133
Starting the engine ........................ 125
Steering wheel paddle shifters ...... 137
Transmission position display ........ 133
Transmission position display
(DIRECT SELECT lever) ................... 131
Transmission positions .................. 134
Index5

Display (DIRECT SELECT lever) ...... 131
Driver's door
see Doors
Driving
Towing vehicles ............................. 129
Driving abroad
Mercedes-Benz Service ................. 265
Driving on flooded roads.................. 150
Driving safety system
Active Brake Assist .......................... 62
Braking assistance appropriate to
the situation .....................................63
Driving safety systems
ABS (Anti-lock Braking System) .......61
ADAPTIVE BRAKE............................. 68
BAS (Brake Assist System) .............. 61
Distance warning function ............... 62
EBD (electronic brake force distri-
bution) ............................................. 67
ESP®(Electronic Stability Pro-
gram) ............................................... 64
Important safety information ........... 61
Overview .......................................... 61
STEER CONTROL ............................. 68
Driving system
DYNAMIC BODY CONTROL ............ 162
Parking assist PARKTRONIC .......... 162
RACE START (Mercedes-AMG
vehicles) ........................................ 160
Start-off assist ............................... 159
Driving systems
Active Parking Assist ..................... 165
AMG adaptive sport suspension
system ........................................... 161
ATTENTION ASSIST ........................ 173
Blind Spot Assist ............................ 174
Cruise control ................................ 150
Display message ............................ 209
HOLD function ............................... 158
Lane Keeping Assist ...................... 176
Lane Tracking package .................. 174
Rear view camera .......................... 169
Driving tips
Active Distance Assist
DISTRONIC ............................ 152, 158
Automatic transmission ................. 134
Brakes ........................................... 147
Break-in period .............................. 122
Checking brake lining thickness .... 149
Downhill gradient ........................... 147
Drinking and driving ....................... 146
Driving in winter ............................. 150
Driving on flooded roads ................ 150
Driving on wet roads ...................... 149
Exhaust check ............................... 146
Fuel ................................................ 146
General .......................................... 145
Hydroplaning ................................. 149
Icy road surfaces ........................... 150
Limited braking efficiency on sal-
ted roads ....................................... 148
Snow chains .................................. 293
The first 1000 miles (1500 km) ..... 122
Wet road surface ........................... 148
DVD video
Operating (on-board computer) ..... 185
see also Digital Operator's Man-
ual .................................................. 231
DYNAMIC SELECT button
Climate control (3-zone automatic
climate control) ............................. 116
Climate control (air-conditioning
system) .......................................... 113
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles).................................................... 129
DYNAMIC SELECT controller............ 130
DYNAMIC SELECT controller
(Mercedes-AMG vehicles)................. 130
E
EASY-PACK tailgate
see Tailgate
EASY-VARIO-PLUS system
Cargo compartment enlargement .. 242
EBD (electronic brake force distri-
bution)
Display message ............................ 196
Function/notes................................ 67
ECO display
Function/notes............................. 146
On-board computer ....................... 182
ECO start/stop function
Automatic engine start .................. 127
Automatic engine switch-off .......... 127
Index9

Deactivating/activating ................. 128
General information ....................... 127
Important safety notes.................. 127
Introduction ................................... 126
Electronic Stability Program
see ESP®(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 54
Emergency release
Driver's door .................................... 77
Vehicle ............................................. 77
Emergency spare wheel
General notes ................................ 316
Important safety notes .................. 315
Removing ....................................... 316
Emergency Tensioning Devices
Activation ......................................... 52
Emissions control
Service and warranty information .... 25
Engine
Check Engine warning lamp ........... 226
Display message ............................ 207
ECO start/stop function ................ 126
Engine number ............................... 319
Irregular running ............................ 128
Jump-starting ................................. 282
Starting (important safety notes)... 124
Starting problems .......................... 128
Starting the engine with the
SmartKey ....................................... 125
Starting with the Start/Stop but-
ton ................................................. 125
Switching off .................................. 143
Tow-starting (vehicle) ..................... 287
Engine electronics
Problem (malfunction) ................... 128
Engine oil
Adding ........................................... 262
Additives ........................................ 322
Checking the oil level ..................... 261
Checking the oil level using the
dipstick .......................................... 261
Display message ............................ 208
Filling capacity ............................... 322
Notes about oil grades................... 322
Notes on oil level/consumption .... 261
Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 190
Entering an address
see also Digital Operator's Man-
ual .................................................. 231
ESP®(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 191
Characteristics ................................. 65
Deactivating/activating (button
in Mercedes-AMG vehicles) ............. 66
Deactivating/activating (except
Mercedes‑AMG vehicles) ................. 65
Deactivating/activating (on-
board computer, except
Mercedes-AMG vehicles) ............... 187
Display message ............................ 194
Function/notes................................ 64
General notes .................................. 64
Important safety information ........... 64
Trailer stabilization ........................... 67
Warning lamp ................................. 223
ETS/4ETS (Electronic Traction Sys-
tem)...................................................... 64
Exhaust
see Exhaust pipe
Exhaust check................................... 146
Exhaust pipe
Cleaning ......................................... 270
Exterior lighting
Cleaning ......................................... 269
see Lights
Exterior mirrors
Adjusting ......................................... 97
Dipping (automatic) ......................... 98
Folding in when locking (on-board
computer) ...................................... 190
Folding in/out (automatically)......... 98
Folding in/out (electrically) ............. 98
Out of position (troubleshooting) ..... 98
Setting ............................................. 98
Storing settings (memory func-
tion) ............................................... 100
Storing the parking position ............. 99
Eyeglasses compartment................. 240
10Index

N
Navigation
Entering a destination .................... 233
Menu (on-board computer) ............ 183
see also Digital Operator's Man-
ual.................................................. 231
Notes on breaking-in a new vehi-
cle....................................................... 122
O
Occupant Classification System
(OCS)
Conditions ....................................... 48
Faults ............................................... 51
Operation ......................................... 48
System self-test ............................... 50
Occupant safety
Air bags ........................................... 45
Automatic measures after an acci-
dent ................................................. 54
Belt warning ..................................... 44
Children in the vehicle ..................... 54
Important safety notes .................... 40
Introduction to the restraint sys-
tem .................................................. 40
Occupant Classification System
(OCS) ............................................... 47
PASSENGER AIR BAG indicator
lamps ............................................... 41
Pets in the vehicle ........................... 60
Restraint system warning lamp ........ 41
Seat belt .......................................... 41
Odometer........................................... 182
On-board computer
AMG menu ..................................... 190
Assistance graphic menu ............... 187
Assistance menu ........................... 186
Audio menu ................................... 184
Convenience submenu .................. 190
Display messages .......................... 193
Displaying a service message ........ 264
Factory settings ............................. 190
Important safety notes .................. 178
Instrument cluster submenu .......... 188
Lighting submenu .......................... 189
Menu overview .............................. 181
Message memory .......................... 193
Navigation menu ............................ 183
Operation ....................................... 179
RACETIMER ................................... 191
Service menu ................................. 188
Settings menu ............................... 188
Standard display ............................ 182
Telephone menu ............................ 185
Trip menu ...................................... 182
Vehicle submenu ........................... 189
Video DVD operation ..................... 185
Opening and closing the side trim
panels................................................. 107
Operating safety
Declaration of conformity ................ 27
Important safety notes .................... 27
Operating system
see On-board computer
Operation
Digital Operator's Manual................ 23
Operator's Manual
Vehicle equipment ........................... 25
Outside temperature display........... 178
Overhead control panel...................... 39
Override feature
Rear side windows........................... 60
P
Paint code number............................ 318
Paintwork (cleaning instructions)... 267
Panic alarm.......................................... 40
Panorama roof with power tilt/
sliding panel
Important safety notes .................... 86
Operating ......................................... 87
Operating the roller sunblinds for
the sliding sunroof ........................... 88
Problem (malfunction) ..................... 89
Reversing feature ............................. 87
Parking
Important safety notes .................. 142
Parking brake ................................ 143
Parking position for the exterior
mirror on the front-passenger
side .................................................. 99
Rear view camera .......................... 169
14Index

Folding the backrest (rear com-
partment) forwards/back .............. 242
Important safety notes .................... 91
Seat heating problem ...................... 96
Storing settings (memory func-
tion) ............................................... 100
Switching seat heating on/off ......... 95
Section
Trunk ............................................... 78
Securing cargo.................................. 243
Selector lever
Cleaning ......................................... 271
Sensors (cleaning instructions)....... 269
Service center
see Qualified specialist workshop
Service Center
see Qualified specialist workshop
Service menu (on-board com-
puter).................................................. 188
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 322
Coolant (engine) ............................ 323
Engine oil ....................................... 322
Fuel ................................................ 319
Important safety notes .................. 319
Refrigerant (air-conditioning sys-
tem) ............................................... 324
Washer fluid ................................... 323
Setting the air distribution............... 117
Setting the airflow............................ 118
Setting the date/time format
see also Digital Operator's Man-
ual .................................................. 231
Setting the language
see also Digital Operator's Man-
ual .................................................. 231
Setting the time
see also Digital Operator's Man-
ual .................................................. 231
Settings
Factory (on-board computer) ......... 190
On-board computer ....................... 188
SETUP (on-board computer,
Mercedes-AMG vehicles).................. 191
Side impact air bag............................. 47
Side marker lamp (display mes-
sage)................................................... 206
Side windows
Cleaning ......................................... 268
Convenience closing feature ............ 84
Convenience opening feature .......... 83
Important safety information ........... 82
Opening/closing .............................. 83
Problem (malfunction) ..................... 85
Resetting ......................................... 85
Reversing feature ............................. 83
SIRIUS services
see also Digital Operator's Man-
ual .................................................. 231
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 73
Changing the programming ............. 72
Checking the battery ....................... 73
Convenience closing feature ............ 84
Convenience opening feature .......... 83
Display message............................ 218
Door central locking/unlocking ....... 70
Important safety notes .................... 70
KEYLESS-GO start function .............. 71
Loss ................................................. 74
Mechanical key ................................ 72
Positions (ignition lock) ................. 123
Problem (malfunction) ..................... 74
Starting the engine ........................ 125
SmartKey positions (ignition lock).. 123
Smartphone
Starting the engine ........................ 125
SMS
see also Digital Operator's Man-
ual .................................................. 231
Snow chains...................................... 293
Sockets
Center console .............................. 247
General notes ................................ 247
Rear compartment ......................... 248
Trunk ............................................. 248
Sound
Switching on/off........................... 232
Special seat belt retractor.................. 55
Index17

Optional equipment weight (defi-
nition) ............................................ 310
PSI (pounds per square inch) (def-
inition) ...........................................310
Replacing ....................................... 310
Service life ..................................... 291
Sidewall (definition) ....................... 310
Speed rating (definition) ................ 309
Storing ...........................................311
Structure and characteristics
(definition) ..................................... 308
Summer tires ................................. 292
Temperature .................................. 305
TIN (Tire Identification Number)
(definition) ..................................... 310
Tire bead (definition) ......................310
Tire pressure (definition) ................ 310
Tire pressures (recommended) ...... 309
Tire size (data) ............................... 315
Tire size designation, load-bearing
capacity, speed rating .................... 305
Tire tread ....................................... 291
Tire tread (definition) ..................... 310
Total load limit (definition) ............. 310
Traction ......................................... 304
Traction (definition) ....................... 310
Tread wear..................................... 304
Uniform Tire Quality Grading
Standards ...................................... 304
Uniform Tire Quality Grading
Standards (definition) .................... 309
Wear indicator (definition) ............. 310
Wheel rim (definition) .................... 309
see Flat tire
Top Tether............................................ 57
Tow-starting
Emergency engine starting ............ 287
Important safety notes .................. 284
Installing the towing eye ................ 285
Removing the towing eye ............... 286
Towing
Permitted towing methods ............ 287
Towing a trailer
ESP®(Electronic Stability Pro-
gram) ............................................... 67
Towing away
Important safety guidelines ........... 284
Installing the towing eye ................ 285
Notes for 4MATIC vehicles ............ 287
Removing the towing eye ............... 286
Transporting the vehicle ................ 287
With both axles on the ground ....... 286
With the front axle raised ............... 286
Towing eye......................................... 274
Traffic reports
see also Digital Operator's Man-
ual .................................................. 231
Transmission
see Automatic transmission
Transmission position display
(DIRECT SELECT lever)...................... 131
Transporting the vehicle.................. 287
Trim pieces (cleaning instruc-
tions).................................................. 271
Trip computer (on-board com-
puter).................................................. 182
Trip odometer
Calling up ....................................... 182
Resetting (on-board computer) ...... 183
Trunk
Emergency release .......................... 82
Emergency release button ............... 82
Important safety notes .................... 78
Opening (automatically from out-
side) ................................................. 79
Opening (from outside the vehi-
cle, HANDS-FREE ACCESS) .............. 80
Opening automatically from
inside ............................................... 81
Opening/closing (manually from
outside) ............................................ 79
Trunk lid
Display message ............................ 217
see Tailgate
Turn signals
Display message ............................ 204
Replacing bulbs (front) ................... 107
Switching on/off........................... 102
Two-way radio
Frequencies ................................... 317
Installation ..................................... 317
Transmission output (maximum) .... 317
Type identification plate
see Vehicle identification plate
20Index